Commit cee4eebd authored by Alexander Antonov's avatar Alexander Antonov Committed by Peter Zijlstra
Browse files

perf/x86/intel/uncore: Introduce UPI topology type 



This patch introduces new 'uncore_upi_topology' topology type to support
UPI topology discovery.

Signed-off-by: default avatarAlexander Antonov <alexander.antonov@linux.intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarKan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20221117122833.3103580-3-alexander.antonov@linux.intel.com
parent 4d13be8a

arch/x86/events/intel/uncore.h

+7 −0
Original line number Diff line number Diff line
@@ -183,11 +183,18 @@ struct uncore_iio_topology { 
	int segment;

};



struct uncore_upi_topology {

	int die_to;

	int pmu_idx_to;

	int enabled;

};



struct intel_uncore_topology {

	int pmu_idx;

	union {

		void *untyped;

		struct uncore_iio_topology *iio;

		struct uncore_upi_topology *upi;

	};

};

arch/x86/events/intel/uncore_snbep.c

+3 −1
Original line number Diff line number Diff line
@@ -3774,11 +3774,13 @@ static int die_to_cpu(int die) 


enum {

	IIO_TOPOLOGY_TYPE,

	UPI_TOPOLOGY_TYPE,

	TOPOLOGY_MAX

};



static const size_t topology_size[TOPOLOGY_MAX] = {

	sizeof(*((struct intel_uncore_topology *)NULL)->iio)

	sizeof(*((struct intel_uncore_topology *)NULL)->iio),

	sizeof(*((struct intel_uncore_topology *)NULL)->upi)

};



static int pmu_alloc_topology(struct intel_uncore_type *type, int topology_type)